Motorola launched the next software battle by bringing 4 new lawsuits against Apple.The cases include claims for infringement of 18 patents owned by the company.Motorola filed a request in the International Trade Commission, for blocking the export of products such as iPhones, iPads, iPod and Mac.These patents are:

* 5,311,516: Paging system using message fragmentation to redistribute traffic* 5,319,712: Method and apparatus for providing cryptographic protection of a data stream in a communication system* 5,490,230: Digital speech coder having optimized signal energy parameters* 5,572,193: Method for authentication and protection of subscribers in telecommunication systems* 6,175,559: Method for generating preamble sequences in a code division multiple access system* 6,359,898: Method for performing a countdown function during a mobile-originated transfer for a packet radio system* 5,359,317: Method and apparatus for selectively storing a portion of a received message in a selective call receiver* 6,578,054: Methods of adaptive channel access attempts* 6,246,697: Method and system for generating a complex pseudonoise sequence for processing a code division multiple access signal* 6,246,862: Sensor controlled user interface for portable communication device* 6,272,333: Method and apparatus in a wireless communication system for controlling a delivery of data* 7,751,826: System and method for E911 location privacy protection* 5,710,987: Receiver having concealed external antenna* 5,754,119: Multiple pager status synchronization system and method* 5,958,006: Method and apparatus for communicating summarized data* 6,008,737: Apparatus for controlling utilization of software added to a portable communication device* 6,101,531: System for communicating user-selected criteria filter prepared at wireless client to communication server for filtering data transferred from host to said wireless client* 6,377,161: Method and apparatus in a wireless messaging system for facilitating an exchange of address information

This news came shortly after it became clear that Microsoft has sued Motorola for infringement of 9 patents related smartphones.Besides these cases there are numerous other between the main players in the market Apple, Nokia, HTC, Oracle, Android.

Companies use patents to maintain market wars with each other in the economic sector that is developing very quickly and successfully.Conclusion can be drawn is that in addition to best researchers, engineers and marketers, contemporary IT companies need to have good specialists in intellectual property in order to survive in the market.News from Arstechnica.com